T=5/2 states in 9Li: Isobaric analog states of 9He
- Rogachev, G. V.
- Goldberg, V. Z.
- Kolata, J. J.
- Chubarian, G.
- Aleksandrov, D.
- Fomichev, A.
- Golovkov, M. S.
- Oganessian, Yu. Ts.
- Rodin, A.
- Skorodumov, B.
- Slepnev, R. S.
- Ter-Akopian, G.
- Trzaska, Wladyslaw
- Wolski, R.
DOIAbstract
The thick target inverse kinematic method was applied to the study of isobaric analog states in the neutron-rich nucleus 9Li. For this purpose, an excitation function for 8He+p elastic scattering was measured in the center-of-momentum energy range from 1.6 to 5.8 MeV. Three T=5/2 states in 9Li (isobaric analogs of 9He) were observed. Restrictions on the spin-parity assignments are provided according to R-matrix calculations, and conclusions regarding the structure of 9He are given.peerReviewe
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